/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * glassfish/bootstrap/legal/CDDLv1.0.txt or
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 *
 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * Portions Copyright Apache Software Foundation.
 */ 

package org.apache.taglibs.standard.examples.util;

import java.io.*;
import javax.servlet.jsp.JspException;

/**
 * <p>String repository for Reader/Writer.
 *
 * @author Pierre Delisle
 * @version $Revision: 1.2 $ $Date: 2005/12/08 01:20:42 $
 */
public class IOBean {
    StringWriter stringWriter = null;
    String content = null;

    public Reader getReader() throws JspException {
	//p("getReader()");
	if (content == null) {
	    if (stringWriter == null) {
		throw new JspException(
		    "content must first be added to the bean via the writer");
	    }
	    content = stringWriter.toString();
	}
	return new StringReader(content);
    }

    public Writer getWriter() {
	//p("getWriter()");
	content = null;
	stringWriter = new StringWriter();
	return stringWriter;
    }

    public void release() {
	stringWriter = null;
	content = null;
    }

    private void p(String s) {
	System.out.println("[IOBean] " + s);
    }
}
